Bubbling Witches Brew Experiment
Make a bubbling witches brew experiment for Halloween! This easy Halloween science activity is a fun, hands-on STEM experiment for kids.
- Prep Time: 5
- Total Time: 5
- Category: DIY, Halloween, STEM
- Method: Step-by-Step
Materials
- Small cauldron or container
- Baking soda
- Food coloring
- Glitter
- Vinegar
- Tray or plate to catch the overflow
Instructions
- Place the cauldron on a tray or plate to contain any bubbling overflow.
- Add a few spoonfuls of baking soda to the bottom of the cauldron.
- Add several drops of food coloring. Purple, green, or orange make great witch’s brew colors.
- Sprinkle in some glitter for a magical effect.
- Slowly add drops of vinegar to the cauldron and watch the brew begin to fizz and bubble.
- Continue adding vinegar to create more bubbling action. Let kids experiment with adding it slowly or all at once and compare what happens.